18773942

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{7829}}^1$

素因数の和:7951

約数の個数: 16

約数和(自身を含む): 31006800

約数和(自身を除く): 12232858

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 7829, 15658, 86119, 172238, 853361, 1706722, 9386971, 18773942]

約数ペア:

[(1, 18773942), (2, 9386971), (11, 1706722), (22, 853361), (109, 172238), (218, 86119), (1199, 15658), (2398, 7829)]